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[求助]
VASP 设置IBRION=8 没有力常数输出 已有4人参与
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我想用vasp+phonopy(DFPT)方法算石墨烯声子谱, INCAR: PREC = Accurate ENCUT = 500 IBRION = 8 EDIFF = 1.0e-08 IALGO = 38 ISMEAR = 0 SIGMA = 0.1 LREAL = .FALSE. ADDGRID = .TRUE. LWAVE = .FALSE. LCHARG = .FALSE. 石墨烯的大小用4*4的超胞 POSCAR: C 1.0 9.7879067589373285 0.0000000000000000 0.0000000000000000 4.8939533794686643 8.4777409580282086 0.0000000000000000 0.0000000000000000 0.0000000000000000 14.9834834109284358 32 Direct 0.0000126345020488 0.9999747309959024 0.0000000000000000 0.2500126345020488 0.9999747309959024 0.0000000000000000 0.5000126345020488 0.9999747309959024 0.0000000000000000 0.7500126345020488 0.9999747309959024 0.0000000000000000 0.0000126345020488 0.2499747309959024 0.0000000000000000 0.2500126345020488 0.2499747309959024 0.0000000000000000 0.5000126345020488 0.2499747309959024 0.0000000000000000 0.7500126345020488 0.2499747309959024 0.0000000000000000 0.0000126345020488 0.4999747309959024 0.0000000000000000 0.2500126345020488 0.4999747309959024 0.0000000000000000 0.5000126345020488 0.4999747309959024 0.0000000000000000 0.7500126345020488 0.4999747309959024 0.0000000000000000 0.0000126345020488 0.7499747309959024 0.0000000000000000 0.2500126345020488 0.7499747309959024 0.0000000000000000 0.5000126345020488 0.7499747309959024 0.0000000000000000 0.7500126345020488 0.7499747309959024 0.0000000000000000 0.1666540321646173 0.1666919356707637 0.0000000000000000 0.4166540321646173 0.1666919356707637 0.0000000000000000 0.6666540321646173 0.1666919356707637 0.0000000000000000 0.9166540321646173 0.1666919356707637 0.0000000000000000 0.1666540321646173 0.4166919356707637 0.0000000000000000 0.4166540321646173 0.4166919356707637 0.0000000000000000 0.6666540321646173 0.4166919356707637 0.0000000000000000 0.9166540321646173 0.4166919356707637 0.0000000000000000 0.1666540321646173 0.6666919356707637 0.0000000000000000 0.4166540321646173 0.6666919356707637 0.0000000000000000 0.6666540321646173 0.6666919356707637 0.0000000000000000 0.9166540321646173 0.6666919356707637 0.0000000000000000 0.1666540321646173 0.9166919356707637 0.0000000000000000 0.4166540321646173 0.9166919356707637 0.0000000000000000 0.6666540321646173 0.9166919356707637 0.0000000000000000 0.9166540321646173 0.9166919356707637 0.0000000000000000 ~ ~ 但是OUTCAR 和vasprun.xml中没有hessian elements 请问怎么会没有力常数的输出呢?? |
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vasp001
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我计算 弹性常数,也没有输出。INCAR: ENCUT = 600 NELM = 666; NELMIN= 6; NELMDL= -5 EDIFF = 1E-6 LREAL = Auto ALGO = Normal #Ionic relaxation EDIFFG = -1E-3 NSW = 0 IBRION = 6 ISIF = 3 NFREE = 4 ISYM = 0 POTIM = 0.1 #DOS related values #EMIN = 10.00; EMAX =-10.00 ISMEAR = 0 SIGMA = 0.05 我的VASP 是 5.2.12,请问你们最后是如何解决这个问题的? |

20楼2015-05-31 01:58:14
花无刺
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